Monthly archives: September, 2016

Although Mikrotik has it’s own network monitor, namely the dude, they can be checked upon just as easily with Zabbix using SNMP. Zabbix is in my oppinion a pretty good solution (since it has native agents for both Windows and Linux as well) let’s use that instad. Client setup Log in to your router using winbox: …

Let’s look a bit at one of Mikrotik routers most powerful capability: scripting. Using scripts we can automate updating and backups, so we can sleep a bit easier. We also can send the backups directly via email, so I will assume that you have a (spare) email address from where to send notifications. Email setup Log in to your router with …

To protect your LAMP server against brute-force attacks you can use Fail2Ban. It’s a daemon that checks log files and does something if it finds a match according to it’s filters. In it’s simplest configuration it just bans (by adding an iptables rule) an IP address for a period of time. Let’s check it out how we can set it …

Building on my last experiences documented here (read that one first, please) in this tutorial we will set up a safe backdoor access that can wake up the target machine, send an SMS to confirm the source IP address and expect an SMS back. The protocol can be anything, but in this case I will be using …

I found an old Huawei E352 modem laying around, got a brand new Orange prepaid sim card for it to make some use of it. After some tinkering I was able to set up a fail-over WAN for a mikrotik device, so I thought I’ll share my experiences. Log in to your router using winbox: Go to System -> Resources: The …